{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114446",
    "entityType": "User",
    "nonce": "0x763dcf8e0affd51b562620696c04630b6cf90a3aedcc6f6a3a192638c4c0099e",
    "signature": "0x11e02879196ef018f08e8238bd7b9d26633d2b98980ef9fe865d0632356fc404773b612e2c408d962d24f6e2640acbc415ed511aec343204dfdc5f0adb4e885c1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}